Sitting squarely in the "me too" category are Gecko Gear's new Gecko Edge ($20), Gecko Profile ($30), and Gecko Vision ($30) cases for the iPhone 4. The Gecko Edge is a two-piece, snap-together Bumper clone that includes a screen protector -- stiffer than Apple's design and not friendly to oversized headphones. Gecko Profile is a straightforward snap-on one-piece shell, not distinctive in any way, though packed with a screen protector as well. Last…
